The factors responsible for the variability in plasma leptin levels
observed among individuals with similar body compositions remain unclear.
To examine the impact of dietary variables, we compared the changes ...

The timing of puberty onset in mammals is tightly coupled to the animal's
nutritional and metabolic state. We conducted two experiments to test the
hypothesis that leptin acts as a metabolic signal for the ...

Leptin, a newly-discovered hormonal product of the obese (ob) gene, is
expressed by adipocytes and thought to play a role in the regulation of
food intake and metabolism. We tested the hypothesis that leptin ...